Acanthacorydalis yunnanensis is a species of dobsonfly endemic to China.
Diagnosis Of the Chinese species (except A. asiatica), A. yunnanensis is keyed out based on the following characters: The head and thorax with distinct yellow markings, body is brown to blackish, head with one pale yellowish spot around the ocellar triangle, male mandible with one subapical tooth.
Taxonomy This is a phylogeny of the Chinese Acanthacorydalis species (except A. asiatica), following the most parsimonious tree in Liu et al., 2005.
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